Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 6, 15, ['p', '4925', '8537', 'O', '63', 'y', 'L', '1443', 'v', 'A', '3203', 'S', 'J', 'a', '6175', '2887', '93', '4447', 'd', 'H', '8075', 'o']

10821